X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fsearch.c;h=c0bc46df7899dae708c45b7ce4e559d476bc1fb2;hb=5c701066571f8ff173a9bc8ade0439c4a1587b61;hp=c4a223dfe31ad069bcbd6bd6a5268c4b0bf6b0d9;hpb=bf5fc54473f2143586e43aada98ae8f5dab7570b;p=openldap diff --git a/libraries/libldap/search.c b/libraries/libldap/search.c index c4a223dfe3..c0bc46df78 100644 --- a/libraries/libldap/search.c +++ b/libraries/libldap/search.c @@ -1,6 +1,6 @@ /* $OpenLDAP$ */ /* - * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. + * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ /* Portions @@ -22,43 +22,6 @@ #include "ldap-int.h" -static int ldap_is_attr_oid LDAP_P(( - const char *attr )); - -static int ldap_is_attr_desc LDAP_P(( - const char *attr )); - -static int hex2value LDAP_P(( - int c )); - -static char *find_right_paren LDAP_P(( - char *s )); - -static char *put_complex_filter LDAP_P(( - BerElement *ber, - char *str, - ber_tag_t tag, - int not )); - -int ldap_int_put_filter LDAP_P(( - BerElement *ber, - char *str )); - -#define put_filter(b,s) ldap_int_put_filter((b),(s)) - -static int put_simple_filter LDAP_P(( - BerElement *ber, - char *str )); - -static int put_substring_filter LDAP_P(( - BerElement *ber, - char *type, - char *str )); - -static int put_filter_list LDAP_P(( - BerElement *ber, - char *str, - ber_tag_t tag )); /* * ldap_search_ext - initiate an ldap search operation. @@ -98,7 +61,11 @@ ldap_search_ext( BerElement *ber; int timelimit; +#ifdef NEW_LOGGING + LDAP_LOG (( "search", LDAP_LEVEL_ENTRY, "ldap_search_ext\n" )); +#else Debug( LDAP_DEBUG_TRACE, "ldap_search_ext\n", 0, 0, 0 ); +#endif assert( ld != NULL ); assert( LDAP_VALID( ld ) ); @@ -216,7 +183,11 @@ ldap_search( { BerElement *ber; +#ifdef NEW_LOGGING + LDAP_LOG (( "search", LDAP_LEVEL_ENTRY, "ldap_search\n" )); +#else Debug( LDAP_DEBUG_TRACE, "ldap_search\n", 0, 0, 0 ); +#endif assert( ld != NULL ); assert( LDAP_VALID( ld ) ); @@ -249,7 +220,7 @@ ldap_build_search_req( LDAP *ld, LDAP_CONST char *base, ber_int_t scope, - LDAP_CONST char *filter_in, + LDAP_CONST char *filter, char **attrs, ber_int_t attrsonly, LDAPControl **sctrls, @@ -259,7 +230,6 @@ ldap_build_search_req( { BerElement *ber; int err; - char *filter; /* * Create the search request. It looks like this: @@ -329,13 +299,11 @@ ldap_build_search_req( return( NULL ); } - if( filter_in != NULL ) { - filter = LDAP_STRDUP( filter_in ); - } else { - filter = LDAP_STRDUP( "(objectclass=*)" ); + if( filter == NULL ) { + filter = "(objectclass=*)"; } - err = put_filter( ber, filter ); - LDAP_FREE( filter ); + + err = ldap_pvt_put_filter( ber, filter ); if ( err == -1 ) { ld->ld_errno = LDAP_FILTER_ERROR; @@ -364,583 +332,6 @@ ldap_build_search_req( return( ber ); } -static int ldap_is_attr_oid ( const char *attr ) -{ - int i, c, digit=0; - - for( i = 0; (c = attr[i]) != 0; i++ ) { - if( c >= '0' && c <= '9' ) { - digit=1; - - } else if ( c != '.' ) { - /* not digit nor '.' */ - return 0; - - } else if ( !digit ) { - /* '.' but prev not digit */ - return 0; - - } else { - /* '.' */ - digit = 0; - } - } - - return digit; -} - -static int ldap_is_attr_desc ( const char *attr ) -{ - /* cheap attribute description check */ - int i, c; - - for( i = 0; (c = attr[i]) != 0; i++ ) { - if (( c >= '0' && c <= '9' ) - || ( c >= 'A' && c <= 'Z' ) - || ( c >= 'a' && c <= 'z' ) - || ( c == '.' || c == '-' ) - || ( c == ';' )) continue; - - return 0; - } - - return i > 0; -} - -static char * -find_right_paren( char *s ) -{ - int balance, escape; - - balance = 1; - escape = 0; - while ( *s && balance ) { - if ( escape == 0 ) { - if ( *s == '(' ) - balance++; - else if ( *s == ')' ) - balance--; - } - if ( *s == '\\' && ! escape ) - escape = 1; - else - escape = 0; - if ( balance ) - s++; - } - - return( *s ? s : NULL ); -} - -static int hex2value( int c ) -{ - if( c >= '0' && c <= '9' ) { - return c - '0'; - } - - if( c >= 'A' && c <= 'F' ) { - return c + (10 - (int) 'A'); - } - - if( c >= 'a' && c <= 'f' ) { - return c + (10 - (int) 'a'); - } - - return -1; -} - -char * -ldap_pvt_find_wildcard( const char *s ) -{ - for( ; *s != '\0' ; s++ ) { - switch( *s ) { - case '*': /* found wildcard */ - return (char *) s; - - case '\\': - s++; /* skip over escape */ - if ( *s == '\0' ) - return NULL; /* escape at end of string */ - } - } - - return NULL; -} - -/* unescape filter value */ -/* support both LDAP v2 and v3 escapes */ -/* output can include nul characters! */ -ber_slen_t -ldap_pvt_filter_value_unescape( char *fval ) -{ - ber_slen_t r, v; - int v1, v2; - - for( r=v=0; fval[v] != '\0'; v++ ) { - switch( fval[v] ) { - case '\\': - /* escape */ - v++; - - if ( fval[v] == '\0' ) { - /* escape at end of string */ - return -1; - - } - - if (( v1 = hex2value( fval[v] )) >= 0 ) { - /* LDAPv3 escape */ - if (( v2 = hex2value( fval[v+1] )) < 0 ) { - /* must be two digit code */ - return -1; - } - - fval[r++] = v1 * 16 + v2; - v++; - - } else { - /* LDAPv2 escape */ - switch( fval[v] ) { - case '(': - case ')': - case '*': - case '\\': - fval[r++] = fval[v]; - break; - default: - /* illegal escape */ - return -1; - } - } - break; - - default: - fval[r++] = fval[v]; - } - } - - fval[r] = '\0'; - return r; -} - -static char * -put_complex_filter( BerElement *ber, char *str, ber_tag_t tag, int not ) -{ - char *next; - - /* - * We have (x(filter)...) with str sitting on - * the x. We have to find the paren matching - * the one before the x and put the intervening - * filters by calling put_filter_list(). - */ - - /* put explicit tag */ - if ( ber_printf( ber, "t{" /*}*/, tag ) == -1 ) - return( NULL ); - - str++; - if ( (next = find_right_paren( str )) == NULL ) - return( NULL ); - - *next = '\0'; - if ( put_filter_list( ber, str, tag ) == -1 ) - return( NULL ); - *next++ = ')'; - - /* flush explicit tagged thang */ - if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) - return( NULL ); - - return( next ); -} - -int -ldap_int_put_filter( BerElement *ber, char *str ) -{ - char *next; - int parens, balance, escape; - - /* - * A Filter looks like this: - * Filter ::= CHOICE { - * and [0] SET OF Filter, - * or [1] SET OF Filter, - * not [2] Filter, - * equalityMatch [3] AttributeValueAssertion, - * substrings [4] SubstringFilter, - * greaterOrEqual [5] AttributeValueAssertion, - * lessOrEqual [6] AttributeValueAssertion, - * present [7] AttributeType, - * approxMatch [8] AttributeValueAssertion, - * extensibleMatch [9] MatchingRuleAssertion -- LDAPv3 - * } - * - * SubstringFilter ::= SEQUENCE { - * type AttributeType, - * SEQUENCE OF CHOICE { - * initial [0] IA5String, - * any [1] IA5String, - * final [2] IA5String - * } - * } - * - * MatchingRuleAssertion ::= SEQUENCE { -- LDAPv3 - * matchingRule [1] MatchingRuleId OPTIONAL, - * type [2] AttributeDescription OPTIONAL, - * matchValue [3] AssertionValue, - * dnAttributes [4] BOOLEAN DEFAULT FALSE } - * - * Note: tags in a choice are always explicit - */ - - Debug( LDAP_DEBUG_TRACE, "put_filter \"%s\"\n", str, 0, 0 ); - - parens = 0; - while ( *str ) { - switch ( *str ) { - case '(': - str++; - parens++; - - /* skip spaces */ - while( LDAP_SPACE( *str ) ) str++; - - switch ( *str ) { - case '&': - Debug( LDAP_DEBUG_TRACE, "put_filter: AND\n", - 0, 0, 0 ); - - if ( (str = put_complex_filter( ber, str, - LDAP_FILTER_AND, 0 )) == NULL ) - return( -1 ); - - parens--; - break; - - case '|': - Debug( LDAP_DEBUG_TRACE, "put_filter: OR\n", - 0, 0, 0 ); - - if ( (str = put_complex_filter( ber, str, - LDAP_FILTER_OR, 0 )) == NULL ) - return( -1 ); - - parens--; - break; - - case '!': - Debug( LDAP_DEBUG_TRACE, "put_filter: NOT\n", - 0, 0, 0 ); - - if ( (str = put_complex_filter( ber, str, - LDAP_FILTER_NOT, 1 )) == NULL ) - return( -1 ); - - parens--; - break; - - default: - Debug( LDAP_DEBUG_TRACE, "put_filter: simple\n", - 0, 0, 0 ); - - balance = 1; - escape = 0; - next = str; - while ( *next && balance ) { - if ( escape == 0 ) { - if ( *next == '(' ) - balance++; - else if ( *next == ')' ) - balance--; - } - if ( *next == '\\' && ! escape ) - escape = 1; - else - escape = 0; - if ( balance ) - next++; - } - if ( balance != 0 ) - return( -1 ); - - *next = '\0'; - if ( put_simple_filter( ber, str ) == -1 ) { - return( -1 ); - } - *next++ = ')'; - str = next; - parens--; - break; - } - break; - - case ')': - Debug( LDAP_DEBUG_TRACE, "put_filter: end\n", 0, 0, - 0 ); - if ( ber_printf( ber, /*[*/ "]" ) == -1 ) - return( -1 ); - str++; - parens--; - break; - - case ' ': - str++; - break; - - default: /* assume it's a simple type=value filter */ - Debug( LDAP_DEBUG_TRACE, "put_filter: default\n", 0, 0, - 0 ); - next = strchr( str, '\0' ); - if ( put_simple_filter( ber, str ) == -1 ) { - return( -1 ); - } - str = next; - break; - } - } - - return( parens ? -1 : 0 ); -} - -/* - * Put a list of filters like this "(filter1)(filter2)..." - */ - -static int -put_filter_list( BerElement *ber, char *str, ber_tag_t tag ) -{ - char *next = NULL; - char save; - - Debug( LDAP_DEBUG_TRACE, "put_filter_list \"%s\"\n", str, 0, 0 ); - - while ( *str ) { - while ( *str && LDAP_SPACE( (unsigned char) *str ) ) { - str++; - } - if ( *str == '\0' ) break; - - if ( (next = find_right_paren( str + 1 )) == NULL ) { - return( -1 ); - } - save = *++next; - - /* now we have "(filter)" with str pointing to it */ - *next = '\0'; - if ( put_filter( ber, str ) == -1 ) return -1; - *next = save; - str = next; - - if( tag == LDAP_FILTER_NOT ) break; - } - - if( tag == LDAP_FILTER_NOT && ( next == NULL || *str )) { - return -1; - } - - return 0; -} - -static int -put_simple_filter( - BerElement *ber, - char *str ) -{ - char *s; - char *value; - ber_tag_t ftype; - int rc = -1; - - Debug( LDAP_DEBUG_TRACE, "put_simple_filter \"%s\"\n", str, 0, 0 ); - - str = LDAP_STRDUP( str ); - if( str == NULL ) return -1; - - if ( (s = strchr( str, '=' )) == NULL ) { - goto done; - } - - value = s + 1; - *s-- = '\0'; - - switch ( *s ) { - case '<': - ftype = LDAP_FILTER_LE; - *s = '\0'; - if(! ldap_is_attr_desc( str ) ) goto done; - break; - - case '>': - ftype = LDAP_FILTER_GE; - *s = '\0'; - if(! ldap_is_attr_desc( str ) ) goto done; - break; - - case '~': - ftype = LDAP_FILTER_APPROX; - *s = '\0'; - if(! ldap_is_attr_desc( str ) ) goto done; - break; - - case ':': - /* RFC2254 extensible filters are off the form: - * type [:dn] [:rule] := value - * or [:dn]:rule := value - */ - ftype = LDAP_FILTER_EXT; - *s = '\0'; - - { - char *dn = strchr( str, ':' ); - char *rule = NULL; - - if( dn == NULL ) { - if(! ldap_is_attr_desc( str ) ) goto done; - } else { - - *dn++ = '\0'; - rule = strchr( dn, ':' ); - - if( rule == NULL ) { - /* one colon */ - if ( strcmp(dn, "dn") == 0 ) { - /* must have attribute */ - if( !ldap_is_attr_desc( str ) ) { - goto done; - } - - rule = ""; - - } else { - rule = dn; - dn = NULL; - } - - } else { - /* two colons */ - *rule++ = '\0'; - - if ( strcmp(dn, "dn") != 0 ) { - /* must have "dn" */ - goto done; - } - } - - } - - if ( *str == '\0' && ( !rule || *rule == '\0' ) ) { - /* must have either type or rule */ - goto done; - } - - if ( *str != '\0' && !ldap_is_attr_desc( str ) ) { - goto done; - } - - if ( rule && *rule != '\0' && !ldap_is_attr_oid( rule ) ) { - goto done; - } - - rc = ber_printf( ber, "t{" /*}*/, ftype ); - - if( rc != -1 && rule && *rule != '\0' ) { - rc = ber_printf( ber, "ts", LDAP_FILTER_EXT_OID, rule ); - } - if( rc != -1 && *str != '\0' ) { - rc = ber_printf( ber, "ts", LDAP_FILTER_EXT_TYPE, str ); - } - - if( rc != -1 ) { - ber_slen_t len = ldap_pvt_filter_value_unescape( value ); - - if( len >= 0 ) { - rc = ber_printf( ber, "totbN}", - LDAP_FILTER_EXT_VALUE, value, len, - LDAP_FILTER_EXT_DNATTRS, dn != NULL); - } else { - rc = -1; - } - } - } - goto done; - - default: - if ( ldap_pvt_find_wildcard( value ) == NULL ) { - ftype = LDAP_FILTER_EQUALITY; - } else if ( strcmp( value, "*" ) == 0 ) { - ftype = LDAP_FILTER_PRESENT; - } else { - rc = put_substring_filter( ber, str, value ); - goto done; - } - break; - } - - if ( ftype == LDAP_FILTER_PRESENT ) { - rc = ber_printf( ber, "ts", ftype, str ); - - } else { - ber_slen_t len = ldap_pvt_filter_value_unescape( value ); - - if( len >= 0 ) { - rc = ber_printf( ber, "t{soN}", - ftype, str, value, len ); - } - } - - if( rc != -1 ) rc = 0; - -done: - LDAP_FREE( str ); - return rc; -} - -static int -put_substring_filter( BerElement *ber, char *type, char *val ) -{ - char *nextstar, gotstar = 0; - ber_tag_t ftype = LDAP_FILTER_SUBSTRINGS; - - Debug( LDAP_DEBUG_TRACE, "put_substring_filter \"%s=%s\"\n", type, - val, 0 ); - - if ( ber_printf( ber, "t{s{", ftype, type ) == -1 ) - return( -1 ); - - for( ; val != NULL; val=nextstar ) { - if ( (nextstar = ldap_pvt_find_wildcard( val )) != NULL ) - *nextstar++ = '\0'; - - if ( gotstar == 0 ) { - ftype = LDAP_SUBSTRING_INITIAL; - } else if ( nextstar == NULL ) { - ftype = LDAP_SUBSTRING_FINAL; - } else { - ftype = LDAP_SUBSTRING_ANY; - } - - if ( *val != '\0' ) { - ber_slen_t len = ldap_pvt_filter_value_unescape( val ); - - if ( len < 0 ) { - return -1; - } - - if ( ber_printf( ber, "to", ftype, val, len ) == -1 ) { - return( -1 ); - } - } - - gotstar = 1; - } - - if ( ber_printf( ber, /* {{ */ "N}N}" ) == -1 ) - return( -1 ); - - return( 0 ); -} - int ldap_search_st( LDAP *ld, LDAP_CONST char *base, int scope,